The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 05, 2017
Filed:
Jun. 10, 2014
Deere & Company, Moline, IL (US);
Bradley C. Dauderman, Dubuque, IA (US);
Donald O. Johannsen, Dubuque, IA (US);
John R. Mahrenholz, Peosta, IA (US);
Chris J. Schaub, Asbury, IA (US);
Kyle S. Droessler, Cuba City, WI (US);
Brian J. Althoff, Dubuque, IA (US);
Todd R. Simms, Peosta, IA (US);
Denis J. Roling, Dubuque, IA (US);
DEERE & COMPANY, Moline, IL (US);
Abstract
A hydraulic flushing system comprises a hydraulic machine including a case drain, a gearbox having a cavity, and a flushing valve. The case drain is included in a hydraulic pump or a hydraulic motor. The flushing valve is fluidly connected to the case drain, fluidly connected to the cavity, and fluidly positioned between the case drain and the cavity. The flushing valve is configured to selectively allow hydraulic fluid to flow from the case drain to the cavity.